Next we’ll look at scores by Free and Reduced Lunch status. The lowest statewide average for FRL kids in 2015 = 245:

and students not eligible for FRL (lowest statewide average = 266):

The Colorado Department of Education report indicates that Colorado charter schools have more ELL kids than districts, fewer special education kids. The NAEP does not provide standalone estimates for ELL or Special Education students (sub-samples of sub-samples are tough) but we can compare the general education scores of Colorado charter schools to the general education scores of the top 10 states. The lowest statewide average in 2015 for general education students stood at 257.

So just as a reminder from the work of Peterson et al, if you are in the Massachusetts neighborhood on NAEP, you are also keeping company with the academic achievement of the upper echelon of European and Asian countries. So to all the Colorado charter students, educators and supportive policymakers and philanthropists here is to you: